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J Hum Genet. 2008;53(10):947-9. doi: 10.1007/s10038-008-0328-5. Epub 2008 Aug 13.

The c.3040C > T mutation in COL1A1 is recurrent in Korean patients with infantile cortical hyperostosis (Caffey disease).

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Department of Orthopaedic Surgery, Seoul National University Children's Hospital, Seoul, 110-744, South Korea.


Infantile cortical hyperostosis (ICH) is characterized by spontaneous episodes of subperiosteal new bone formation in the long bones, mandible, and clavicle during infancy. A heterozygous missense mutation, c.3040C > T (p.R1014C), in the type I collagen alpha1 chain gene (COL1A1) was reported in families with the autosomal dominant form of ICH. We examined six consecutive cases of ICH from five unrelated families and their parents. The mutation was identified in all patients and two parents tested. Our result supported that ICH is caused by the single mutation in COL1A1 with incomplete penetrance.

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